diff --git a/master/db.arpa.in-addr.10.112 b/master/db.arpa.in-addr.10.112
index 988bfb0..6ef1df8 100644
--- a/master/db.arpa.in-addr.10.112
+++ b/master/db.arpa.in-addr.10.112
@@ -1,33 +1,40 @@
-$ORIGIN .
-$TTL 7d
-112.10.in-addr.arpa	IN SOA	gateway-hamburg01.ffhh. freifunk.hamburg.ccc.de. (
-				1356797107 ; serial
+$ORIGIN 112.10.in-addr.arpa.
+$TTL 86400	; 1 Tag
+@			IN SOA	srv01.ffhh. hostmaster.hamburg.ccc.de. (
+				2014060700 ; serial
 				3600       ; refresh (1 hour)
 				180        ; retry (3 minutes)
 				3600       ; expire (1 hour)
 				60         ; minimum (1 minute)
 				)
-			NS	gateway-hamburg01.ffhh.
-                        NS      srv01.ffhh.
-$ORIGIN 112.10.in-addr.arpa.
+				
 
-; next node
-1.0			PTR	knoten.ffhh.
+;AUTHORATIVE NAMESERVERS				
+@                       NS      srv01.ffhh.
+@			NS	gw01.ffhh.
 
-; gateways
-1.14			PTR	gateway-hamburg01.ffhh.
-1.18                    PTR     gateway-hamburg05.ffhh.
-1.16                    PTR     gateway-hamburg07.ffhh.
-1.22                    PTR     gateway-hamburg08.ffhh.
-1.24			PTR	gateway-hamburg09.ffhh.
-1.28			PTR	gateway-hamburg11.ffhh.
-1.30			PTR	gateway-hamburg12.ffhh.
-1.32                    PTR     gateway-hamburg13.ffhh.
 
-; server
+;srv01
 1.1                     PTR     srv01.ffhh.
 
-; custom
+
+;GATEWAYS
+1.14			PTR	gw01.ffhh.
+1.18                    PTR     gw05.ffhh.
+1.16                    PTR     gw07.ffhh.
+1.22                    PTR     gw08.ffhh.
+1.24			PTR	gw09.ffhh.
+1.28			PTR	gw11.ffhh.
+1.30			PTR	gw12.ffhh.
+1.32                    PTR     gw13.ffhh.
+
+
+; SERVICES
+; verbundener Knoten
+1.0			PTR	knoten.ffhh.
+
+
+; LOKALE DIENSTE DER FREIFUNKER_INNEN
 5.0			PTR	mchai.ffhh.
 6.0			PTR	jabber.ffhh.
 7.0			PTR	somakapsel.ffhh.